# business calculus

posted by
**ma.gelifer** on
.

the total cost of producing x units of toys is C(x)=110-4x+〖.02x〗^2.

a.find the marginal cost

b. if 50 toys are manufactured, what is the rate of change of the total cost?

c.what is the amount in peso of the actual cost of manufacturing the 51st toy?